Energy Sources For Muscular Contraction Worksheet Page 3
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1
2
3Exercise #1b: Write the equation you found in exercise 1a, assuming your mass in kg.
M= _____
Exercise #1.c Consider a step-stool 18 inches high. Convert you equation from rate in
meters/sec to steps/sec and write the equation.
Use the equation from 1c to draw a graph of the number of steps per second versus the
rate of lactic acid production in grams/sec.
3.5
3
2.5
2
1.5
1
0.5
0
0.2
0.4
0.6
0.8
1
lactic acid (grams/sec)
Exercise 1d: From your graph, determine the number of steps per second for the
following rates of lactic acid production:
Zero (power from respiration only)
0.4 gm/sec
At 0.4 gm/sec, how long before the maximum of 50 grams of lactic acid is produced?
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